One of the most important concerns for today’s environmentalists is the greenhouse gas effect on the surface of the Earth. We need to have a very clear ides regarding the greenhouse gases and their effects. What are greenhouse gases and what are their effects? The greenhouse gases contribute to the greenhouse effects by absorbing the infrared radiation from the sun rays. Chlorofluorocarbons, water vapour, ozone, methane and  carbon dioxide are the examples of greenhouse gases. The Greenhouse effect is a mechanism by which the thermal radiation from the surface of the Earth is re-absorbed...